5I1D

CRYSTAL STRUCTURE OF HUMAN GERMLINE ANTIBODY IGHV3-23/IGKV4-1

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	293	2.0 M AMMONIUM SULFATE, 2% PEG 400, 0.1 M HEPES PH 7.5

Crystal Properties
Matthews coefficient	Solvent content
2.87	57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.71	α = 90
b = 111	β = 90
c = 159.99	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	95	CCD	RIGAKU SATURN 944	VARIMAX HF	2008-04-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2	30	99.7	0.094	21.6	11.6		75540		-3	29.4

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.06	96.9		0.488	5	9.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2B2X,1LVE	2	15	74238	1109	98.2	0.21632	0.21578	0.25132	RANDOM	46.4

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
0.94			-0.23		-0.71

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.345
r_scangle_it	24.83
r_dihedral_angle_4_deg	23.87
r_scbond_it	23.763
r_dihedral_angle_3_deg	13.55
r_dihedral_angle_1_deg	5.897
r_mcangle_it	4.752
r_mcbond_it	2.812
r_angle_refined_deg	1.148
r_chiral_restr	0.071
r_bond_refined_d	0.008
r_bond_other_d
r_angle_other_deg
r_gen_planes_refined
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6548
Nucleic Acid Atoms
Solvent Atoms	635
Heterogen Atoms	15

Software

Software
Software Name	Purpose
XDS	data reduction
XDS	data scaling
PHASER	phasing
REFMAC	refinement